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gecko/layout/style/nsCSSProps.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mats Palmgren <mats.palmgren@bredband.net>
* Jonathon Jongsma <jonathon.jongsma@collabora.co.uk>, Collabora Ltd.
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* methods for dealing with CSS properties and tables of the keyword
* values they accept
*/
#ifndef nsCSSProps_h___
#define nsCSSProps_h___
#include "nsString.h"
#include "nsChangeHint.h"
#include "nsCSSProperty.h"
#include "nsStyleStruct.h"
#include "nsCSSKeywords.h"
// Flags for the kFlagsTable bitfield (flags_ in nsCSSPropList.h)
// A property that is a *-ltr-source or *-rtl-source property for one of
// the directional pseudo-shorthand properties.
#define CSS_PROPERTY_DIRECTIONAL_SOURCE (1<<0)
#define CSS_PROPERTY_VALUE_LIST_USES_COMMAS (1<<1) /* otherwise spaces */
#define CSS_PROPERTY_APPLIES_TO_FIRST_LETTER (1<<2)
#define CSS_PROPERTY_APPLIES_TO_FIRST_LINE (1<<3)
#define CSS_PROPERTY_APPLIES_TO_FIRST_LETTER_AND_FIRST_LINE \
(CSS_PROPERTY_APPLIES_TO_FIRST_LETTER | CSS_PROPERTY_APPLIES_TO_FIRST_LINE)
// Note that 'background-color' is ignored differently from the other
// properties that have this set, but that's just special-cased.
#define CSS_PROPERTY_IGNORED_WHEN_COLORS_DISABLED (1<<4)
/**
* Types of animatable values.
*/
enum nsStyleAnimType {
// nsStyleCoord with animatable values
eStyleAnimType_Coord,
// same as Coord, except for one side of an nsStyleSides
// listed in the same order as the NS_STYLE_* constants
eStyleAnimType_Sides_Top,
eStyleAnimType_Sides_Right,
eStyleAnimType_Sides_Bottom,
eStyleAnimType_Sides_Left,
// property not animatable
eStyleAnimType_None
};
class nsCSSProps {
public:
static void AddRefTable(void);
static void ReleaseTable(void);
// Given a property string, return the enum value
static nsCSSProperty LookupProperty(const nsAString& aProperty);
static nsCSSProperty LookupProperty(const nsACString& aProperty);
static inline PRBool IsShorthand(nsCSSProperty aProperty) {
NS_ASSERTION(0 <= aProperty && aProperty < eCSSProperty_COUNT,
"out of range");
return (aProperty >= eCSSProperty_COUNT_no_shorthands);
}
// Same but for @font-face descriptors
static nsCSSFontDesc LookupFontDesc(const nsAString& aProperty);
static nsCSSFontDesc LookupFontDesc(const nsACString& aProperty);
// Given a property enum, get the string value
static const nsAFlatCString& GetStringValue(nsCSSProperty aProperty);
static const nsAFlatCString& GetStringValue(nsCSSFontDesc aFontDesc);
// Given a CSS Property and a Property Enum Value
// Return back a const nsString& representation of the
// value. Return back nullstr if no value is found
static const nsAFlatCString& LookupPropertyValue(nsCSSProperty aProperty, PRInt32 aValue);
// Get a color name for a predefined color value like buttonhighlight or activeborder
// Sets the aStr param to the name of the propertyID
static PRBool GetColorName(PRInt32 aPropID, nsCString &aStr);
// Find |aKeyword| in |aTable|, if found set |aValue| to its corresponding value.
// If not found, return PR_FALSE and do not set |aValue|.
static PRBool FindKeyword(nsCSSKeyword aKeyword, const PRInt32 aTable[], PRInt32& aValue);
// Return the first keyword in |aTable| that has the corresponding value |aValue|.
// Return |eCSSKeyword_UNKNOWN| if not found.
static nsCSSKeyword ValueToKeywordEnum(PRInt32 aValue, const PRInt32 aTable[]);
// Ditto but as a string, return "" when not found.
static const nsAFlatCString& ValueToKeyword(PRInt32 aValue, const PRInt32 aTable[]);
static const nsCSSType kTypeTable[eCSSProperty_COUNT_no_shorthands];
static const nsStyleStructID kSIDTable[eCSSProperty_COUNT_no_shorthands];
static const PRInt32* const kKeywordTableTable[eCSSProperty_COUNT_no_shorthands];
static const nsStyleAnimType kAnimTypeTable[eCSSProperty_COUNT_no_shorthands];
static const ptrdiff_t
kStyleStructOffsetTable[eCSSProperty_COUNT_no_shorthands];
private:
static const PRUint32 kFlagsTable[eCSSProperty_COUNT];
public:
static inline PRBool PropHasFlags(nsCSSProperty aProperty, PRUint32 aFlags)
{
NS_ASSERTION(0 <= aProperty && aProperty < eCSSProperty_COUNT,
"out of range");
return (nsCSSProps::kFlagsTable[aProperty] & aFlags) == aFlags;
}
private:
// A table for shorthand properties. The appropriate index is the
// property ID minus eCSSProperty_COUNT_no_shorthands.
static const nsCSSProperty *const
kSubpropertyTable[eCSSProperty_COUNT - eCSSProperty_COUNT_no_shorthands];
public:
static inline
const nsCSSProperty * SubpropertyEntryFor(nsCSSProperty aProperty) {
NS_ASSERTION(eCSSProperty_COUNT_no_shorthands <= aProperty &&
aProperty < eCSSProperty_COUNT,
"out of range");
return nsCSSProps::kSubpropertyTable[aProperty -
eCSSProperty_COUNT_no_shorthands];
}
// Returns an eCSSProperty_UNKNOWN-terminated array of the shorthand
// properties containing |aProperty|, sorted from those that contain
// the most properties to those that contain the least.
static const nsCSSProperty * ShorthandsContaining(nsCSSProperty aProperty) {
NS_ASSERTION(gShorthandsContainingPool, "uninitialized");
NS_ASSERTION(0 <= aProperty && aProperty < eCSSProperty_COUNT_no_shorthands,
"out of range");
return gShorthandsContainingTable[aProperty];
}
private:
// gShorthandsContainingTable is an array of the return values for
// ShorthandsContaining (arrays of nsCSSProperty terminated by
// eCSSProperty_UNKNOWN) pointing into memory in
// gShorthandsContainingPool (which contains all of those arrays in a
// single allocation, and is the one pointer that should be |free|d).
static nsCSSProperty *gShorthandsContainingTable[eCSSProperty_COUNT_no_shorthands];
static nsCSSProperty* gShorthandsContainingPool;
static PRBool BuildShorthandsContainingTable();
public:
#define CSSPROPS_FOR_SHORTHAND_SUBPROPERTIES(iter_, prop_) \
for (const nsCSSProperty* iter_ = nsCSSProps::SubpropertyEntryFor(prop_); \
*iter_ != eCSSProperty_UNKNOWN; ++iter_)
// Keyword/Enum value tables
static const PRInt32 kAppearanceKTable[];
static const PRInt32 kAzimuthKTable[];
static const PRInt32 kBackgroundAttachmentKTable[];
static const PRInt32 kBackgroundClipKTable[];
static const PRInt32 kBackgroundInlinePolicyKTable[];
static const PRInt32 kBackgroundOriginKTable[];
static const PRInt32 kBackgroundPositionKTable[];
static const PRInt32 kBackgroundRepeatKTable[];
static const PRInt32 kBackgroundSizeKTable[];
static const PRInt32 kBorderCollapseKTable[];
static const PRInt32 kBorderColorKTable[];
static const PRInt32 kBorderImageKTable[];
static const PRInt32 kBorderStyleKTable[];
static const PRInt32 kBorderWidthKTable[];
static const PRInt32 kBoxAlignKTable[];
static const PRInt32 kBoxDirectionKTable[];
static const PRInt32 kBoxOrientKTable[];
static const PRInt32 kBoxPackKTable[];
#ifdef MOZ_SVG
static const PRInt32 kDominantBaselineKTable[];
static const PRInt32 kFillRuleKTable[];
static const PRInt32 kImageRenderingKTable[];
static const PRInt32 kShapeRenderingKTable[];
static const PRInt32 kStrokeLinecapKTable[];
static const PRInt32 kStrokeLinejoinKTable[];
static const PRInt32 kTextAnchorKTable[];
static const PRInt32 kTextRenderingKTable[];
static const PRInt32 kColorInterpolationKTable[];
#endif
static const PRInt32 kBoxPropSourceKTable[];
static const PRInt32 kBoxShadowTypeKTable[];
static const PRInt32 kBoxSizingKTable[];
static const PRInt32 kCaptionSideKTable[];
static const PRInt32 kClearKTable[];
static const PRInt32 kColorKTable[];
static const PRInt32 kContentKTable[];
static const PRInt32 kCursorKTable[];
static const PRInt32 kDirectionKTable[];
static const PRInt32 kDisplayKTable[];
static const PRInt32 kElevationKTable[];
static const PRInt32 kEmptyCellsKTable[];
static const PRInt32 kFloatKTable[];
static const PRInt32 kFloatEdgeKTable[];
static const PRInt32 kFontKTable[];
static const PRInt32 kFontSizeKTable[];
static const PRInt32 kFontStretchKTable[];
static const PRInt32 kFontStyleKTable[];
static const PRInt32 kFontVariantKTable[];
static const PRInt32 kFontWeightKTable[];
static const PRInt32 kIMEModeKTable[];
static const PRInt32 kLineHeightKTable[];
static const PRInt32 kListStylePositionKTable[];
static const PRInt32 kListStyleKTable[];
static const PRInt32 kOutlineStyleKTable[];
static const PRInt32 kOutlineColorKTable[];
static const PRInt32 kOverflowKTable[];
static const PRInt32 kOverflowSubKTable[];
static const PRInt32 kPageBreakKTable[];
static const PRInt32 kPageBreakInsideKTable[];
static const PRInt32 kPageMarksKTable[];
static const PRInt32 kPageSizeKTable[];
static const PRInt32 kPitchKTable[];
static const PRInt32 kPointerEventsKTable[];
static const PRInt32 kPositionKTable[];
static const PRInt32 kSpeakKTable[];
static const PRInt32 kSpeakHeaderKTable[];
static const PRInt32 kSpeakNumeralKTable[];
static const PRInt32 kSpeakPunctuationKTable[];
static const PRInt32 kSpeechRateKTable[];
static const PRInt32 kStackSizingKTable[];
static const PRInt32 kTableLayoutKTable[];
static const PRInt32 kTextAlignKTable[];
static const PRInt32 kTextDecorationKTable[];
static const PRInt32 kTextTransformKTable[];
static const PRInt32 kTransitionTimingFunctionKTable[];
static const PRInt32 kUnicodeBidiKTable[];
static const PRInt32 kUserFocusKTable[];
static const PRInt32 kUserInputKTable[];
static const PRInt32 kUserModifyKTable[];
static const PRInt32 kUserSelectKTable[];
static const PRInt32 kVerticalAlignKTable[];
static const PRInt32 kVisibilityKTable[];
static const PRInt32 kVolumeKTable[];
static const PRInt32 kWhitespaceKTable[];
static const PRInt32 kWidthKTable[]; // also min-width, max-width
static const PRInt32 kWindowShadowKTable[];
static const PRInt32 kWordwrapKTable[];
};
#endif /* nsCSSProps_h___ */
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